Developments in the AST Library

Details Developments in the AST Library Developments in the AST Library

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..394..635b&link_type=abstract

Astronomical Data Analysis Software and Systems ASP Conference Series, Vol. 394, Proceedings of the conference held 23-26 Septem

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The AST library provides a comprehensive range of general purpose facilities for managing and manipulating world coordinate systems that describe astronomical data. Written in C, but with interfaces for various other languages, it is used within many applications including GAIA, DS9, SPLAT and XIMAGE. We present an overview of some of the newer functionality such as 3-dimensional coordinate grids, definition of regions within arbitrary coordinate systems, support for the HEALPix FITS-WCS projection, XML data formats, new specialist coordinate Frames to describe time and dual-sideband spectra and new classes of Mappings.

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